The vagina and the vestibule are separated by an elastic epithelial fold, the ________, which may partially or completely block the entrance to the vagina.
Fill in the blank(s) with the appropriate word(s).
hymen
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The external os is the
A. opening of the cervix into the vagina. B. primary suspensory ligament for the uterus. C. bone that supports the uterus during pregnancy. D. uterine tube attachment site. E. inferior portion of the central cavity.
The set point in a feedback loop is
A) the point at which the stimulus no longer is required. B) the point at which the (effector) organ or gland starts to change the environment. C) a range of values for a parameter that the body tries to maintain. D) the last step of a series of changes before the body is "set."
Crossover effects are sometimes seen among
A) peptide/protein hormones. B) most hormones. C) all hormones. D) steroid hormones.
In the liver and skeletal muscles, glucose molecules are stored as
A) triglycerides. B) fatty acids. C) pyruvate. D) sucrose. E) glycogen.